Circadian Nest is built around a simple idea: children are biological creatures, not just developmental ones. Their bodies run on a 24-hour clock — the circadian rhythm — that governs sleep, mood, learning, growth, and even eyesight. The clock is set by what they see and do during the day. When it’s well-aligned, children sleep deeper, settle faster, and feel better. When it’s disrupted, almost everything else gets harder.
The good news: the levers that align it are simple, free, and well-evidenced. Bright daylight in the morning. Real outdoor time during the day. Calm, dim, consistent evenings. A dark, quiet sleep environment. We build our days around those levers — and we share what we learn with the families we look after, because the same things that work in our setting work at home.
Our four pillars
We focus on four things during the day at the nursery — the four highest-impact biological levers, each of them simple and well-evidenced:
- Outdoor time, prioritised every day. Even on overcast days, outside light is roughly 100× brighter than indoor lighting — by far the strongest single signal for a child’s body clock, and the most consistent finding in the research.
- Open windows and blinds during daylight hours. Real daylight, in real time, reaching every room we can — the indoor environment that’s biologically closest to outside.
- Red-spectrum lighting during nap and rest. Red light affects the body clock far less than blue or white — protecting children’s melatonin while they sleep.
- Calm, consistent rhythms. The same shape to every day, so children’s bodies know what to expect.
Parent Partnership
Circadian care doesn’t stop at the nursery door. The day is our half of the rhythm; the evening, bedtime and night are yours. We’ve put together two short downloads to help you protect your child’s rhythms at home — same nursery, both ends of the day.
We’ve developed two short resources to help you protect your child’s natural rhythms at home. The first is a plain-English summary of the research behind our approach. The second is a practical guide for everyday family routines.
Both are free, both are short enough to actually read, and both are designed to be used.